#include <bits/stdc++.h>
using namespace std;
int main()
{
    char str[] = "C:\\Users\\xujiawen\\Desktop\\a.txt";
    FILE *a = fopen(str, "r");
    char huancong[1024];
	int n;
	while((n=fread(huancong,1,4,a))!=0)
	{
		for(int i=0;i<n;i++)
		{
			cout << huancong[i];
		}
	}
    fclose(a);
}
